Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEETPhysicsSemiconductors

Which of the following is correct with respect to the following statements? Due to diffusion of electrons from n to p -side ....... I. electrons are accumulated in the depletion region. II. electron drift current is from p -side to n -side. III. an ionised donor is left in the n -region. IV. electrons of n -side come to p -side and electron-hole combination takes in p -side. Select the correct option from the followi

Options

  1. AI and II
  2. BI and III
  3. CI and IV
  4. DII, III and IV

Correct answer

D. II, III and IV

Step-by-step solution

As per the given statements, the statements (II), (III) and (IV) are correct. Whereas statement (I) is wrong. Since due to diffusion of electrons from n to p -side of p - n junction diode, the electron-hole recombination takes place in the depletion region.

Practice Semiconductors on Quantrex Academy →

More from Semiconductors

For two inputs A and B and output Y, the Boolean expression for NOR gate is 2026For an n-type semiconductor, the relation between the number density ' n_h ' and ' n_e ' is 2026A silicon crystal is doped with 5 10¹⁷ cm ⁻³ atoms of boron. The electron concentration (n_e) at room temperature is (n_i = 1.5 10¹⁰ cm ⁻³) 2026If the current gain in common-base configuration ( ) of a transistor increases from 0.95 to 0.96, the percentage change in current gain in common-emitter configuration ( ) is appro 2026Out of the following what is used to detect the intensity of light ? 2026The color of light emitted by an LED is determined primarily by which of the following factors? 2026Which of the following is true for a p-type semiconductor? 2026In case of semiconductors, the band gap between the valence band and conduction band is 2026 Full Semiconductors list All NEET PYQs